Cell Signalling Flashcards
1
Q
What are the 4 reasons we need cell signalling?
A
To process information
Self-preservation
Voluntary movement
Homeostasis
2
Q
What direction does an action potential travel?
A
From presynaptic terminal to post-synaptic cell
3
Q
How does an action potential travel?
A
Na influx and K efflux
Via Na+ and K+ transporters
4
Q
How are neurotransmitters released from vesicles?
A
AP opens Voltage gated Ca 2+ channels at presynaptic terminal
